Duh... Have you read anything from William Gibson (Neuromancer), Bruce Steling (Crystal Express or anythinh from the Shaper/Mechanists series, or Pat Cadigan (Sinners)?
The only problem in this case is what are you supossed to do to reboot your right leg, for example?
>It should not surprise me, but it does… cyborgs are coming. Dave Mustaine (Megadeth) was right when composing “Psychotron” (Countdown To Extinction Album) twelve years ago: Part bionic, And organic, Not a cyborg, Call him Psychotron.
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"Computerising the body:
>Microsoft wins patent to exploit network potential of skin”
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http://www.guardian.co.uk/microsoft/Story/0,2763,1254962,00.html